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91.

Adzing is done in the sleepers to give a slope of

A.	1 in 10	B.	1 in 20
C.	1 in 30	D.	1 in 40

92.

The composite sleeper index is the index of

A.	strength and hardness	B.	strength and toughness
C.	hardness and wear resistance	D.	toughness and wear resistance

93.

The composite sleeper index determines the

A.	suitability of the wooden sleepers	B.	number of sleepers per rail length
C.	permissible stresses in the steel sleepers	D.	all of these

94.

The minimum composite sleeper index for wooden sleepers used over bridge girders, is

A.	1352	B.	1455
C.	1555	D.	1652

95.

The minimum composite sleeper index for wooden sleepers used over cross-overs, is

A.	1352	B.	1455
C.	1555	D.	1652

96.

To prevent the change in gauge and creep, the steel sleepers are fixed by clips, bolts and

A.	one key	B.	two keys
C.	three keys	D.	four keys

97.

Steel sleepers consist of steel troughs made out of about 6 mm thick steel sheets, with

A.	its both ends bent down	B.	its both ends bent up
C.	its one end bent up and another bent down	D.	any one of these

98.

At the time of pressing the steel sleepers, a cant of 1 in 20 is provided towards the centre.

True

False

99.

For fixing the rail on steel sleepers

A.	lugs or jaws are pressed out of metals and keys are used	B.	holes are made in sleepers and clips and bolts are used
C.	gib and cotters are used	D.	both (a) and (b)

100.

Which of the following statement is correct?

A.	Bearing plates are used in the case of hard sleepers.	B.	Chairs are used for flat - footed rails instead of bearing plates.
C.	Spacing of sleepers near the rail joint is closer.	D.	Spacing of sleepers in the middle of the rail is closer.